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Step 8.
Remove the card bracket and pull the Wi-Fi card upward to remove it from the card port.
Step 9.
Install the new Wi-Fi card:
a.
Line up the new Wi-Fi card, then insert it into the same card port.
b.
Attach the card bracket to the new Wi-Fi card.
c.
Secure the Wi-Fi card to the motherboard with the screw.
d.
Connect the 2 antenna cables to the new Wi-Fi card.
Step 10. Reattach the front bezel and the computer cover.
Replacing the power supply unit
To replace the power supply unit:
Step 1.
Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2.
Unplug all power cords from electrical outlets.
Step 3.
Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to "Left and right view"
and "Rear view" for help with locating the various connectors.
Step 4.
Remove the computer cover. Refer to "Removing the computer cover".
Step 5.
Remove the front bezel. Refer to "Removing the front bezel".
Step 6.
Open the drive bay.
Step 7.
Disconnect the power cables from the motherboard.
2
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Chapter 8
Replacing hardware
35
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